<?xml version="1.0" encoding="utf-8"?>
<!-- 上下滑入式 -->
<scale   xmlns:android="http://schemas.android.com/apk/res/android"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"  
        android:fromXScale="1.0"   
        android:toXScale="1.0"   
        android:fromYScale="0"   
        android:toYScale="1.0"   
        android:pivotX="0"  
        android:pivotY="10%"  
        android:duration="1000" /> 